<template>
  <div class="todo-header">
    <input
      type="text" v-model="name"
      placeholder="请输入你的任务名称，按回车键确认"
      @keydown.enter="addTodo"
    />
  </div>
</template>

<script>
export default {
  name: "Header",
  data(){
   return{
      name:''
   }
  },
  methods:{
    addTodo(){
      let val=this.name.trim()
      if(!val) return
      this.$globalBus.$emit('add',val)
      this.name=''
    }
  }
};
</script>

<style>
/*header*/
.todo-header input {
  width: 560px;
  height: 28px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 4px 7px;
}

.todo-header input:focus {
  outline: none;
  border-color: rgba(82, 168, 236, 0.8);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075),
    0 0 8px rgba(82, 168, 236, 0.6);
}
</style>